feat: add ota upgrade

esp32/platformio.ini

@@ -59,3 +59,6 @@ build_flags =
   -D FEATURE_CONFIGAP=D0
   -D FEATURE_CONFIGAP_GND=D1
   -D FEATURE_LDR=A2
+  -D FEATURE_OTA=1
+upload_protocol = espota
+upload_port = spaceapimap.local

esp32/src/main.cpp

@@ -9,6 +9,9 @@
 #include <ESP32_C3_TimerInterrupt.h>
 #include <FS.h>
 #include <SPIFFS.h>
+#ifdef FEATURE_OTA
+#include <ArduinoOTA.h>
+#endif
 
 #include "spacemap.h"
 
@@ -204,6 +207,43 @@ void setup() {
   filter[0]["data"]["state"]["open"] = true;
   filter[0]["data"]["state"]["lastchange"] = true;
 
+#ifdef FEATURE_OTA
+  ArduinoOTA
+    .onStart([]() {
+      String type;
+      if (ArduinoOTA.getCommand() == U_FLASH) {
+        type = "sketch";
+      } else {  // U_SPIFFS
+        type = "filesystem";
+      }
+
+      // NOTE: if updating SPIFFS this would be the place to unmount SPIFFS using SPIFFS.end()
+      Serial.println("Start updating " + type);
+    })
+    .onEnd([]() {
+      Serial.println("\nEnd");
+    })
+    .onProgress([](unsigned int progress, unsigned int total) {
+      Serial.printf("Progress: %u%%\r", (progress / (total / 100)));
+    })
+    .onError([](ota_error_t error) {
+      Serial.printf("Error[%u]: ", error);
+      if (error == OTA_AUTH_ERROR) {
+        Serial.println("Auth Failed");
+      } else if (error == OTA_BEGIN_ERROR) {
+        Serial.println("Begin Failed");
+      } else if (error == OTA_CONNECT_ERROR) {
+        Serial.println("Connect Failed");
+      } else if (error == OTA_RECEIVE_ERROR) {
+        Serial.println("Receive Failed");
+      } else if (error == OTA_END_ERROR) {
+        Serial.println("End Failed");
+      }
+    })
+    .setHostname("spaceapimap");
+  ArduinoOTA.begin();
+#endif  // FEATURE_OTA
+
 #ifdef FEATURE_LDR
   analogSetPinAttenuation(FEATURE_LDR, ADC_11db);
 #endif  // FEATURE_LDR
@@ -375,5 +415,10 @@ void loop() {
   }
   // Finally, update the LED chain
   pixels.show();
+
+#ifdef FEATURE_OTA
+  ArduinoOTA.handle();
+#endif
+
   delay(50);
 }